.page-products {
  --pro-gap: clamp(16px, 2.4vw, 28px);
  --pro-cut: 16px;
  --pro-line: rgba(42, 92, 130, 0.55);
  --pro-line-soft: rgba(42, 92, 130, 0.32);
  --pro-dim: clamp(10px, 1.6vw, 18px);
}

.page-products .crumbs {
  padding-top: clamp(14px, 2.4vw, 26px);
}

/* ---------- 通用小块 ---------- */
.page-products .pro-sub {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.04em;
  font-weight: 600;
  color: var(--amber-soft);
}

.page-products .section-head {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

/* ---------- 首屏 ---------- */
.pro-hero {
  display: grid;
  gap: clamp(20px, 3.2vw, 44px);
  padding: clamp(14px, 2.4vw, 28px) 0 clamp(34px, 5vw, 64px);
  align-items: end;
}

.pro-hero__eyebrow {
  margin: 0 0 14px;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.pro-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 6vw, 3rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.pro-hero__lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.2vw, 1.08rem);
  line-height: 1.85;
  color: var(--steel);
}

.pro-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.pro-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--pro-line);
  border: 1px solid var(--pro-line);
  clip-path: polygon(var(--pro-cut) 0, 100% 0, 100% calc(100% - var(--pro-cut)), calc(100% - var(--pro-cut)) 100%, 0 100%, 0 var(--pro-cut));
}

.pro-hero__stats > div {
  padding: 12px 14px;
  background: var(--ink-800);
}

.pro-hero__stats dt {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.pro-hero__stats dd {
  margin: 6px 0 0;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--amber-soft);
}

.pro-hero__figure {
  margin: 0;
  border: 1px solid var(--pro-line);
  background: var(--ink-800);
  overflow: hidden;
  clip-path: polygon(var(--pro-cut) 0, 100% 0, 100% calc(100% - var(--pro-cut)), calc(100% - var(--pro-cut)) 100%, 0 100%, 0 var(--pro-cut));
}

.pro-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 四条产品线总览 ---------- */
.pro-lines {
  padding: clamp(26px, 4vw, 52px) 0;
  border-top: 1px solid var(--pro-line-soft);
}

.pro-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--pro-gap);
}

.pro-line {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-800);
  border: 1px solid var(--pro-line);
  border-left: 3px solid var(--ink-500);
  clip-path: polygon(var(--pro-cut) 0, 100% 0, 100% calc(100% - var(--pro-cut)), calc(100% - var(--pro-cut)) 100%, 0 100%, 0 var(--pro-cut));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.pro-line:hover,
.pro-line:focus-within {
  border-color: var(--amber);
  border-left-color: var(--amber);
  transform: translateY(-3px);
}

.pro-line__no {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.pro-line__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.pro-line__for {
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--pro-line);
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--sage);
}

.pro-line__body {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.82;
  color: var(--steel);
}

.pro-line__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.pro-line__points li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-body);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--amber-soft);
}

.pro-line__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 1px;
  background: var(--signal);
}

/* ---------- 分类订阅对比 ---------- */
.pro-cats {
  padding: clamp(26px, 4vw, 52px) 0;
  border-top: 1px solid var(--pro-line-soft);
}

.pro-cats__grid {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.pro-tree {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
  border-left: 1px solid var(--pro-line);
  display: grid;
  gap: 2px;
}

.pro-tree__item {
  position: relative;
  padding: 9px 10px 9px 22px;
  background: var(--ink-800);
  transition: background var(--dur) var(--ease);
}

.pro-tree__item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  width: 12px;
  height: 1px;
  background: var(--sage);
}

.pro-tree__item:hover {
  background: var(--ink-700);
}

.pro-tree__major {
  display: block;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--amber-soft);
}

.pro-tree__subs {
  display: block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--steel);
}

.pro-filters {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.pro-filter {
  padding: 14px 16px;
  background: var(--ink-700);
  border-left: 2px solid var(--ink-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.pro-filter p {
  margin: 10px 0 0;
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--steel);
}

.pro-cats__figure {
  margin: 0;
  border: 1px solid var(--pro-line);
  background: var(--ink-800);
  overflow: hidden;
}

.pro-cats__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 三层结构 ---------- */
.pro-layers {
  padding: clamp(26px, 4vw, 52px) 0;
  border-top: 1px solid var(--pro-line-soft);
}

.pro-layers__body {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.pro-layers__list {
  display: grid;
  gap: 14px;
}

.pro-layer {
  counter-reset: dim;
  background: var(--ink-800);
  border: 1px solid var(--pro-line);
  clip-path: polygon(var(--pro-cut) 0, 100% 0, 100% calc(100% - var(--pro-cut)), calc(100% - var(--pro-cut)) 100%, 0 100%, 0 var(--pro-cut));
  overflow: hidden;
}

.pro-layer__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  background: var(--ink-700);
  transition: background var(--dur) var(--ease);
}

.pro-layer__head::-webkit-details-marker {
  display: none;
}

.pro-layer__head:hover {
  background: var(--ink-500);
}

.pro-layer__no {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.pro-layer__name {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--paper);
}

.pro-layer__note {
  grid-column: 2;
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.82;
}

.pro-dims {
  list-style: none;
  counter-reset: dim;
  margin: 0;
  padding: 1px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1px;
  background: var(--pro-line-soft);
}

.pro-dims li {
  position: relative;
  counter-increment: dim;
  padding: 10px 12px 10px 40px;
  background: var(--ink-800);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--paper);
}

.pro-dims li::before {
  content: counter(dim, decimal-leading-zero);
  position: absolute;
  left: 13px;
  top: 11px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--amber);
}

.pro-layers__figure {
  margin: 0;
  border: 1px solid var(--pro-line);
  background: var(--ink-800);
  overflow: hidden;
  clip-path: polygon(var(--pro-cut) 0, 100% 0, 100% calc(100% - var(--pro-cut)), calc(100% - var(--pro-cut)) 100%, 0 100%, 0 var(--pro-cut));
}

.pro-layers__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.pro-layers__figure .media-frame__caption {
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 对照表 ---------- */
.pro-table-sec {
  padding: clamp(26px, 4vw, 52px) 0;
  border-top: 1px solid var(--pro-line-soft);
}

.pro-table-sec__figure {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--pro-line);
  background: var(--ink-800);
  overflow: hidden;
}

.pro-table-sec__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.pro-table__caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.84rem;
  color: var(--steel);
}

.pro-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.pro-table tbody tr:hover {
  background: rgba(255, 122, 69, 0.08);
}

.pro-table tbody tr:hover th[scope="row"] {
  box-shadow: inset 2px 0 0 var(--signal);
}

.pro-table th[scope="row"] {
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--amber-soft);
  text-align: left;
}

/* ---------- 选择路径 ---------- */
.pro-paths {
  padding: clamp(26px, 4vw, 52px) 0;
  border-top: 1px solid var(--pro-line-soft);
}

.pro-paths__grid {
  display: grid;
  gap: var(--pro-gap);
}

.pro-path {
  display: flex;
  flex-direction: column;
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--ink-700);
  border-top: 2px solid var(--ink-500);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.pro-path:hover {
  border-top-color: var(--amber);
  background: var(--ink-800);
}

.pro-path__no {
  margin: 0 0 10px;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.pro-path__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.pro-path__body {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.82;
  color: var(--steel);
}

.pro-path__to {
  margin: auto 0 0;
  font-family: var(--font-body);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--amber-soft);
}

.pro-path__to a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pro-path__to a:hover {
  color: var(--amber-soft);
}

/* ---------- 版本标记 ---------- */
.pro-version {
  padding: clamp(26px, 4vw, 52px) 0;
  border-top: 1px solid var(--pro-line-soft);
}

.pro-version__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.pro-version__figure {
  margin: 0;
  border: 1px solid var(--pro-line);
  background: var(--ink-800);
  overflow: hidden;
  clip-path: polygon(var(--pro-cut) 0, 100% 0, 100% calc(100% - var(--pro-cut)), calc(100% - var(--pro-cut)) 100%, 0 100%, 0 var(--pro-cut));
}

.pro-version__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.pro-version__lead {
  margin: 0 0 20px;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.88;
  color: var(--paper);
}

.pro-version__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pro-line-soft);
  border: 1px solid var(--pro-line-soft);
}

.pro-version__list li {
  display: grid;
  gap: 6px;
  padding: 13px 15px;
  background: var(--ink-800);
}

.pro-version__key {
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.pro-version__val {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--steel);
}

.pro-version__foot {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--steel);
}

.pro-version__foot a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收尾 ---------- */
.pro-close {
  padding: clamp(24px, 3.6vw, 46px) 0 clamp(30px, 4.6vw, 60px);
  border-top: 1px solid var(--pro-line-soft);
}

.pro-close__inner {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
  padding: clamp(20px, 3vw, 36px);
  background: var(--ink-700);
  border-left: 3px solid var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.pro-close__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  line-height: 1.34;
  color: var(--paper);
}

.pro-close__body {
  margin: 0;
  max-width: 66ch;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--steel);
}

.pro-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .pro-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .pro-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .pro-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .pro-line:nth-child(2n) {
    margin-top: 34px;
  }

  .pro-cats__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .pro-paths__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pro-close__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 1024px) {
  .pro-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .pro-line:nth-child(1) {
    margin-top: 42px;
  }

  .pro-line:nth-child(2) {
    margin-top: 12px;
  }

  .pro-line:nth-child(3) {
    margin-top: 56px;
  }

  .pro-line:nth-child(4) {
    margin-top: 0;
  }

  .pro-paths__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .pro-layers__body {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .pro-version__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .pro-table-sec__figure,
  .pro-cats__figure {
    max-width: 100%;
  }
}

@media (min-width: 1180px) {
  .pro-layers__list {
    gap: 16px;
  }

  .pro-dims {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .pro-line,
  .pro-path,
  .pro-layer__head,
  .pro-table tbody tr {
    transition: none;
  }

  .pro-line:hover,
  .pro-line:focus-within {
    transform: none;
  }
}